MULTIPLEX ADMIN authority allows a user without DBA authority to perform multiplex administration tasks.
MULTIPLEX ADMIN or DBA authority is required to:
Rename the multiplex and store the multiplex name in SYS.ISYSIQINFO system table.
Change multiplex server settings.
Create multiplex servers.
Delete servers from the multiplex.
MULTIPLEX ADMIN authority can be granted only by the DBA or PERMS ADMIN to other users.